diff --git a/src/app/map/calibrate/calibrate.component.html b/src/app/map/calibrate/calibrate.component.html
index b633839..007cc0e 100644
--- a/src/app/map/calibrate/calibrate.component.html
+++ b/src/app/map/calibrate/calibrate.component.html
@@ -10,7 +10,7 @@
     </div>
     <mat-divider class="mb-1"></mat-divider>
     <div>
-        <button mat-button class="float-left" (click)="setN()">Set N</button>
+        <button mat-button class="float-left" (click)="setN()">Set 0°</button>
         <button mat-button class="float-right" (click)="close()">Close</button>
     </div>
 </div>